aFe POWER's Twisted Steel long tube header and connection pipe deliver +24 HP and +27 lbs. x ft. torque over the factory. This system is constructed with 1-3/4" primary to 2-1/8" secondary, and 2-1/2" mandrel bent, 304 stainless steel, brush finished tubing for greater exhaust flow and longevity. 100% hand TIG-welded by certified craftsmen for proven durability. The long tube header incorporates a 6-2-1 Tri-Y designed. These features create a smooth transition to eliminate dead zones and improve flow. High quality band clamps and hardware to provide a quick, hassle-free installation. Performance Gains: +24 HP / +27 lbs. x ft. Torque max gains (Tested on a 2005 Nissan Patrol (Y61) I6-4.8L 4-Door Automatic). Tri-Y Design: Paired opposite firing cylinders with equal, specifically tuned primary lengths maximizes scavenging and increases torque throughout the power band. Stainless Steel Tubing & Laser Cut Header Flanges: High grade 304 stainless tubing with a uniform brushed finish provides a beautiful look and high resistance to corrosion. Laser cut 304 stainless steel header flanges provides superior sealing at the head surface. TIG-Welded: 100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks. Factory Mounting Locations: 2-1/2" flanged connection pipe mounts directly to OE mounting location. Leak-Free Seal: High quality band clamps are used for a complete 360-degree sealing surface. Emissions Disclaimer: This product does not require a CARB EO# (Vehicle does not exist in U.S.). aFe Twisted Steel Headers are engineered and manufactured in our Corona, California manufacturing facility.. Twisted Steel 304 Stainless Steel Race Series Performance Package Nissan Patrol (Y61) 01-16 V8-4.8L. aFe Power Twisted Steel Long Tube Header & Connection Pipes 01-16 Nissan Patrol (Y61) V8-4.8L. Incorporates a Second Bung for Either a Wide-Band O2 Gauge or Auxiliary Instrumentation. Twisted Steel 304 Stainless Steel Race Series Performance Package. 304 Stainless Steel; 1-3/4", 2-1/8", into 2-1/2" Collector. 3/8" Thick, 304 Stainless Steel Laser Cut Head Flanges. Twisted Steel Long Tube Header & MidPipe. 100% TIG-Welded by Certified Craftsmen. Fits the Two Door Model Only. 6-2-1 Tri-Y Design. Header & Mid Pipe

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